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What is the formula of latent heat capacity?

What is the formula of latent heat capacity?

Latent heat calculation The specific latent heat is different for solid to liquid transition and liquid to gas transition. For example, if we want to turn 20 g of ice into water we need Q = 20 g * 334 kJ/kg = 6680 J of energy. To turn the same amount of water into vapor we need Q = 45294 J .

What is Q MC ∆ T formula called?

Thermal energy is the quantity of energy that a substance has as a function of the quantity of particles it holds (its mass) and its temperature.

What is the formula of latent heat in physics?

The latent heat equation is heat divided by mass L=Q/m L = Q / m . A latent heat unit is an energy unit per mass unit, like joules per kilogram (J/kg). The latent heat is the heat per unit mass required to trigger a phase change.

What is the formula for calculating heat capacity?

The specific heat capacity is the heat or energy required to change one unit mass of a substance of a constant volume by 1 °C. The formula is Cv = Q / (ΔT ⨉ m) .

What is heat capacity write its formula and unit?

Heat capacity of a substance is defined as the amount of heat energy given or released in changing the temperature of unit mass of substance by 1 oC. It is calculated as S=mΔTQ. Its SI unit is J/KgoC.

What is the value of latent heat?

Specific Latent Heat Note: The latent heat of water at 0 degree Celsius for fusion is nearest to 334 joules per gram or 79.7 calories per gram. On the other hand, the latent heat of water at 1000C for vaporization is approximately 2230 joules per gram or 533 calories per gram.

What is latent heat give its formula and units?

The specific latent heat of a substance is the quantity of heat energy required to change the state of a unit mass of a substance. EL=ml where EL is the heat transferred, in joules, m is the mass, in kilograms, and l is the latent heat in joules per kilogram. The SI unit for specific latent heat is Jkg−1.

What is latent heat Class 11?

Latent heat is defined as the heat or energy that is absorbed or released during a phase change of a substance. It could either be from a gas to a liquid or liquid to solid and vice versa. Latent heat is related to a heat property called enthalpy.

What is the formula for latent heat?

Latent heat formula: Two formulas depending on the phase or temperature for calculating latent heat or energy. E = m × L ( For phase change). Q = m × c × ΔT ( For temperature change ). Here, E & Q is the energy for a state change, and m (kg) is mass. L is the specific latent heat (J/kg) & c is the specific heat capacity.

How do you calculate latent heat load?

– Determine the dimensions of the room or home that needs cooling. For a room, you can do this with a measuring tape. – For a room, multiply its length by its width to get the square footage. – Multiply the square footage by 20. This is the measure of the BTU cooling load of the space.

How to find dimensional formula of latent heat?

Latent Heat Dimensional Formula. Latent heat dimensional formula is given by, [M⁰L²T⁻²] Where, M = Mass. L = Length. T = Time. Latent Heat of Vaporization Formula. The heat absorbed or discharged as matter disintegrates, changing state from fluid to gas at a constant temperature, is known as latent heat of vaporization.

What is the dimensional formula for latent heat?

– Slowly temperature raises that can be seen in thermometer. – Ice is at 0°C. All the ice converts to water and you find temperature has not raised in thermometer throughout the conversion of ice to water. – Now water at 0°C starts to heat up. – Water starts converting into vapors using heat continuously fed by heater. – Vapor at 100°C starts heating up..